Lock ring



FIG. 1 is a front perspective view of an embodiment of a lock ring in a first locked position showing my new design.

FIG. 2 is a rear perspective view of the lock ring as shown in FIG. 1 showing my new design.

FIG. 3 is a front elevation view of the lock ring as shown in FIG. 1 showing my new design.

FIG. 4 is a rear elevation view of the lock ring as shown in FIG. 1 showing my new design.

FIG. 5 is a right side elevation view of the lock ring as shown in FIG. 1 showing my new design.

FIG. 6 is a left side elevation view of the lock ring as shown in FIG. 1 showing my new design.

FIG. 7 is a top plan view of the lock ring as shown in FIG. 1 showing my new design.

FIG. 8 is a bottom plan view of the lock ring as shown in FIG. 1 showing my new design.

FIG. 9 is a front perspective view of the lock ring as shown in FIG. 1 in a second unlocked position showing my new design.

FIG. 10 is a rear perspective view of the lock ring as shown in FIG. 9 showing my new design.

FIG. 11 is a front elevation view of the lock ring as shown in FIG. 9 showing my new design.

FIG. 12 is a rear elevation view of the lock ring as shown in FIG. 9 showing my new design.

FIG. 13 is a right side elevation view of the lock ring as shown in FIG. 9 showing my new design.

FIG. 14 is a left side elevation view of the lock ring as shown in FIG. 9 showing my new design.

FIG. 15 is a top plan view of the lock ring as shown in FIG. 9 showing my new design; and,

FIG. 16 is a bottom plan view of the lock ring as shown in FIG. 9 showing my new design. 

CLAIM The ornamental design for a lock ring, as shown and described. 